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Kohei ARAI
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Kitakyushu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Reading device and method for controlling reading device using docu...
Patent number
11,956,394
Issue date
Apr 9, 2024
Seiko Epson Corporation
Kohei Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image reading apparatus and dirt detection method
Patent number
10,848,626
Issue date
Nov 24, 2020
Seiko Epson Corporation
Daisuke Honda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for manufacturing a scanner performing shading correction
Patent number
10,469,707
Issue date
Nov 5, 2019
Seiko Epson Corporation
Kohei Arai
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
READING DEVICE AND METHOD FOR CONTROLLING READING DEVICE
Publication number
20230208994
Publication date
Jun 29, 2023
SEIKO EPSON CORPORATION
Kohei ARAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE READING APPARATUS AND DIRT DETECTION METHOD
Publication number
20200106892
Publication date
Apr 2, 2020
SEIKO EPSON CORPORATION
Daisuke HONDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR MANUFACTURING SCANNER
Publication number
20180213120
Publication date
Jul 26, 2018
SEIKO EPSON CORPORATION
Kohei ARAI
G05 - CONTROLLING REGULATING